<template>
  <div class="login">
    <div style="padding-left:120px;height: 420px;">
      <div style="font-size: 36px; font-weight: normal; letter-spacing: 0.12em; color: #454A55;">
        <!--        智能网联汽车管理系统-->
      </div>
      <div style="font-size: 16px; font-weight: 500; letter-spacing: 0.72em; color: #ABBAD6;margin-top:20px;">
        <!--        在线/协作/高效-->
      </div>
    </div>
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title" style="font-weight: 800;color:#4162FF;">欢迎登录</h3>
      <el-form-item prop="username">
        <el-input
            v-model="loginForm.username"
            auto-complete="off"
            placeholder="账号"
            size="large"
            type="text"
        >
          <template #prefix>
            <svg-icon class="el-input__icon input-icon" icon-class="user"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
            v-model="loginForm.password"
            auto-complete="off"
            placeholder="密码"
            size="large"
            type="password"
            @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon class="el-input__icon input-icon" icon-class="password"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item v-if="captchaOnOff" prop="code">
        <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            size="large"
            style="width: 63%"
            @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon class="el-input__icon input-icon" icon-class="validCode"/>
          </template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" class="login-code-img" @click="getCode"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
            :loading="loading"
            size="large"
            style="width:100%;"
            type="primary"
            @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div v-if="register" style="float: right;">
          <router-link :to="'/register'" class="link-type">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2023-2024 大连东软教育科技集团有限公司 All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import {getCodeImg} from "@/api/login";
import Cookies from "js-cookie";
import {decrypt, encrypt} from "@/utils/jsencrypt";

const store = useStore();
const router = useRouter();
const {proxy} = getCurrentInstance();

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginRules = {
  username: [
    {required: true, trigger: "change", message: "请输入您的账号"},
    {min: 1, max: 25, message: '最多输入25个字符'},
    {pattern: /^\S*$/, message: '不能添加空格'},
    {pattern: /^[a-zA-Z0-9]+$/, message: '用户名必须为英文或数字'}
  ],
  password: [
    {required: true, trigger: "change", message: "请输入您的密码"},
    {pattern: /^\S*$/, message: '不能添加空格'},
    {
      pattern: /^(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&*()_+\-=])[a-zA-Z0-9@#$%^&*()_+\-=]{8,20}$/,
      message: '密码8-20位,不能输入中文字符',
      trigger: 'change'
    }
  ],
  code: [{required: true, trigger: "change", message: "请输入验证码"}]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaOnOff = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在cookie中设置记住用户明和名命
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, {expires: 30});
        Cookies.set("password", encrypt(loginForm.value.password), {expires: 30});
        Cookies.set("rememberMe", loginForm.value.rememberMe, {expires: 30});
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      store.dispatch("Login", loginForm.value).then(() => {
        router.push({path: redirect.value || "/"});
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaOnOff.value) {
          getCode();
        }
      });
    }
  });
}

function getCode() {
  getCodeImg().then(res => {
    captchaOnOff.value = res.captchaOnOff === undefined ? true : res.captchaOnOff;
    if (captchaOnOff.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

getCode();
getCookie();

// function aaa(){
//   const wsUri = "ws://172.19.69.130:61614/stomp"; // 替换为你的WebSocket服务器地址
//   let webSocket = new WebSocket(wsUri,'stomp');
//   webSocket.onopen = () => {
//     console.log("连接成功");
//     //连接建立后发送订阅信息
//     // webSocket.send(JSON.stringify({
//     //   "destination": "active_topic", // 替换为你的主题名
//     //   "id": "qwe", // 替换为你的订阅ID
//     //   "type": "subscribe"14
//     // }));
//   };
//
//   webSocket.onerror = (error) => {
//     console.log("连接出错");
//     console.error(error);
//   };
//
//   webSocket.onmessage = (event) => {
//     // 处理接收到的消息
//     console.log('收到消息:', event.data);
//   };
//
//   webSocket.onclose = () => {
//     console.log("连接已关闭")
//     //this.status = '连接已关闭';
//   };
// }
// aaa();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: space-between;
  padding-right: 200px;
  padding-top: 130px;
  height: 100%;
  background: #EEF6FF;
  background-image: url("@/assets/image/login-background.png");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 360px;
  height: 420px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;

    input {
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: black;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
